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20110144202401 = 111828194927491
BaseRepresentation
bin1001001001010010000100…
…00000000110011010100001
32122012111210112012201112111
410210221002000012122201
510113441033403434101
6110434250034355321
74143624056214331
oct444510200063241
978174715181474
1020110144202401
11645373414a590
12230959272bb41
13b2b4bc62c9b6
144d749c65b0c1
1524d19e965251
hex124a420066a1

20110144202401 has 4 divisors (see below), whose sum is σ = 21938339129904. Its totient is φ = 18281949274900.

The previous prime is 20110144202311. The next prime is 20110144202429. The reversal of 20110144202401 is 10420244101102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20110144202401 - 211 = 20110144200353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20110144202431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 914097463735 + ... + 914097463756.

It is an arithmetic number, because the mean of its divisors is an integer number (5484584782476).

Almost surely, 220110144202401 is an apocalyptic number.

It is an amenable number.

20110144202401 is a deficient number, since it is larger than the sum of its proper divisors (1828194927503).

20110144202401 is a wasteful number, since it uses less digits than its factorization.

20110144202401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828194927502.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 20110144202401 its reverse (10420244101102), we get a palindrome (30530388303503).

The spelling of 20110144202401 in words is "twenty trillion, one hundred ten billion, one hundred forty-four million, two hundred two thousand, four hundred one".

Divisors: 1 11 1828194927491 20110144202401